Sewage elevating and discharging apparatus.



No.842, 286. PATENTED JAN. 29, 1907;. E, A. WILSON & 2c. RIGDO'N.

=SEWAGE BLEVATING AND DISGHARGING APPARATUS.

APPLICATION FILED MAY 1, 1905.

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No. 842,286. v I PATENTED JAN. 29, 1907-.

' E. A. WILSON &' 0. RIGDON.

SEWAGE ELEVATING AND DISGHARGING APPARATUS.

APPli-IGATION FILED, MAY 1, 1905.

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" nurrn s'ra'rns PATENT orrron OFDULUTH, MINNESOTA, ASSIGN- AND ONE-FOURTH TO MINNESOTA.

SEWAGE E'LEVATING AND DISCHARGING APPARATUS- Specification of Letters Patent,

Patented Jan. 29, 1907.

Application filed May 1.1905. Serial No. 258,412.

make and use the same.

Our invention relates to sewage elevating and discharging apparatus, and has for its object the provision of means whereby sewage may be elevated from low levels and dis-v charged into conduits having suflicient elevation and inclination to carry it to the terminal of the system by gravity under conditions which will tend to prevent any serious backing up of sewage in the mains or waste-pipes by which it is collected It consists, in combination with a sewagecollecting main or conduit or conduits, of a tank or temporary reservoir, a piston for evactuating said tank, and means for automatically operating said piston, and of certain other constructions, combinations, and arrangements of parts, as will be hereinafter described and claimed.

In the accompanying drawings, to which reference is hereby made, Figure 1 is a central vertical section through said apparatus. Fig. 2 is an enlarged View of the upper part of said apparatus in vertical section on the line A B C of Fig. 3. Fig. plan view of said apparatus.

In the drawings, 1 is a sewagecollecting conduit leading from a higher elevation into the lower end of a tank or reservoir 2, which ispreferably reduced in diameter at its opposite end, as at 2. VVit-hin said tank is a double-headed or tandem piston having the heads 3 and 3 connected to each other by An annularchamber 2 is thus formed between said heads. Communicating with said pipe 1 is a tide-chamber 4, which is connected. with said chamber 2 by a conduit 5, in which is placed a check-valve of any suitable construction, as 5 adapted to permit flow from said chamber 2 to said chamber 5, but to prevent return flow 3 is an enlarged top 8 through said conduit 5 from the chamber 4 to the chamber 2*. Between said chamber 4 and the lower end of said conduit 1 is a checkvalve 6 of any suitable construction adapted to permit the flow of sewage through said conduit 1 into the lower end of said tank below said piston, but to prevent any returnflow thereof past said valve. Within said chamber a is a float 7, connected by a stem 7 with a lever 7, which is pivoted upon a suitable support and intermediate of its fulcrum and the point of its connection to the stem 7 is connected with a valve-stem 7 which is secured to the valve in the chamber 8. Within said valve-chamber8 is a doubel-headed or tandem piston-valve having the heads 9 and 9 connected to each other by the tubular rod 9 Leading into the lower end of 10. Intermediate of said tank 2 or the reduced portion2 thereof and said chamber 8 suit-able means, as by the rod or rods 12, in I such manner as to partition said chamber 11 into four parts. Said chamber 11 has ports communicating therewith, as 11*, 11 and 11, said ports 11 being formed, referably, at the center of said chamber an 11 and 11 being formed above and below the same, respectively.

The ports 11 11 and 11 are so arranged that when the valve in said chamber 11 is down the ports 11 and 1 1 will communicate with that part of said chamber which is between said heads 12 and 12 and at such time said port or ports 11 will communicate with the chamber between the heads 12 and 1 and when said valve is raised the ports ll and 11 will communicate with that part of said chamber which is then between the heads 12 and 12 andat such time the port or ports 1 1 will communicate with that part of said chamber that is then between the said heads 12 and 12 The upper end of said chamber 11 above the valve-head 12 communicates with the upper end of said chamber 8 by means of a pipe 13 in such manner that the mouth of said communication will when the valve in chamber 8 is raised be below the valve-head 9, and when the said valve is lowsaid ports .7 sald casmg 8 1s a water waste pipe or drain ered the entry of said pipe 13 to the chamber 8 will be above said valve-head 9, during which latter period it may discharge into the pipe or drain 10 through the tubular rod 9 and that part of the chamber 8 which is then below said valve-head 9 The upper end of the tank 2 or reduced portion 2 thereof above the raised pistonhead 3 communicates with the port or ports 11 through a pipe 1 1. A water supply pipe 15, connected with any suitable source of supply (not shown)as, for example, the water-supply reservoir or stand-pipe or a municipal water-supp y system (not shown) communicates with said port or ports 11, and a branch 15 of said pipe 15 communicates with a port 15 entering said chamber 8 between said valve-heads 9 and 9 The lower ends of said chamber 11 below the lowered position of said valve-head 12 communicates by means of a pipe 16 with the lower end of said chamber 8 at a point where the "opening into the chamber 8 will be below the raised position of the valve-head 9, but will be above the valve-head 9 when said valve is in its lowered position.

Extending outwardly and upwardly any suitable distance from the bottom of said tank 2 is a sewage-discl1arge pipe 2 in which is preferably positioned a check-valve 2, which check-valve is adapted to permit sewage to flow through said pipe from said tank,

but to prevent the return-flow thereof to said tank through said pipe. A waste-pipe 1'7 forms a communication between said port or ports 11 and any suitable place of discharge, as preferably into the upper end of said pipe 2. Extending into said tank and attaclied to said piston-head 3 is a rod 18, projected through a collar or fork 7 e on said rod '7 and provided at its upper end with a button 18, adapted when said piston-head 3 descends to draw down said lever 7 to reverse the valve in said chamber 8. Any suitable number or character of counterbalances are arranged to raise the piston in the tankas, for example, wires 19 may be attached to said piston-lead 3 and carried upward through the roof of the enlarged end of said tank, thence over guid ewheels or fulcrums 19 and attach ed at their opposite ends to weights 19 which they are adapted to suspend. Hand-holes or manholes provided with suitable covers, as 20, may be provided at any suitable place or places to give access to tank or any of tlte various chambers for cleaning-out or repairmg purposes.

In operation, the piston in the tank being in lowered position and the valve in the chamber 11 being raised and the valve in chamber Sbeing lowered, the counter v'eights raise the piston in the tank, and the sewage flows down through the pipe 1 into the tank 2 below the piston-head 3, such water as has accumulated above the piston-head 3 being forced out through the pipe 14 into the chamber 11 and thence through the pipes 17 and 2 to a point of discharge.

The level' of sewage will rise or back up in said pipe 1 to the height to which it rises in said tank until the tide of sewage rises into the tidechamber 4 and floats the float 7, which is thereby raised sufficiently to raise the valve in the chamber 8 through the medium of the various intermediate rods and lever, as 7, 7*, and 7 The raising of the valve in the chamber 8 operatesto bring the port 15 and that part of chamber 8 then between the piston-heads 9 and 9 and the port or pipe 13 into serial communication, whereupon the water under pressure will flow from the pipes 15 and 15 through said serial communication to the upper end of the chamber 11 and depress the valve therein, which action will bring the ports 11' and 11 into communication, whereupon the water under pressure will flow from the pipe 15 into the chamber 11 between the valve-heads 12 and 12, thence out through the port or ports 11 into the pipe 14 and thence into the upper end of the tank 2, (or reduced portion 2 thereof.) The piston in the tank will thereupon be forced down upon the stored sewage, forcing the greater part of it through the pipe 2 to any suitable point of discharge. hen said valve in the chamber 11 is forced downward, any accumulated water below the valve-head 12 is forced out through the pipe 16 into the lower end of the chamber 8 and thence through the pipe 10 to anysuitable place of discharge. The downward movement of the piston in said tank draws down the rod 18, and when said piston in the tank has nearly reached its lowest position the button 1S engages the fork or collar 7 and draws down the lever '7 and the rod 7, thereby reversing the valve in the chamber 8. The reversing of the last said valve will operate to cut the communication between said port 15 and said pipe 13 and to cut the communication between said pipe 16 and said pipe 10 and to open communication between said port 15 and said pipe 16. lNater under pressure will thereupon flow through said branch 15 and port 15 and that part of the chamber 8 then between the valve-heads 9 and 9 and through the pipe 16 to the chamber 11 below the valve-head 12', thus raising the valve in the chamber 11. The

valve-head 12 will now cut the communication between said ports 11* and 11. and water will no longer flow into the tank above said piston-head. 3 chamber 11 is movirg upward, any water above the valve-head 12 will be forced out of said chamber 11 through the pipe 13, thence into the upper end of the chamber 8, thence through the tubular rod 9* to the lower end of said chamber 8, thence through the drainhile said valve in the a TCO l pipe' 10 to any suitable place of discharge. I 3

r of the valves shown where other 'styles or tank, a conduit for. a liquid orflowing sub I ating said secondary valvularmeans and said tank, a check-valve adapted to'prevent 'heads 3 or 3?, it will find an outlet through we claim, and, desire to secure--by-Letters "a conduit fora flowing power-supply disbetween the'points of discharge into said If any sewage or water-leaks past the pistonthe pipe 5 to said tidal chamber; but, if desired, theconnection ofthe pipe 5 with said tank may be omitted/ lVhile we have shown a reduced. portion 2* of said tank, it is obvious that the portion 2 may within the scope of our invention be of equal diameter with the sewage-chamber of said tank or may even beof greater diameter. The diameter of the portion 2 will in practice be usually governed by the average available ressure;of water per square inch of area which "can be put upon the piston-head 3,. v Said apparatus may also bemodifiedin various details of construction, all within the scope and spirit of our said invention. e e do not, therefore, desire to be limited to any particular or exact size orcontour or pro portion of said tank or other part or parts of said apparatus or to the exact construction valves adapted to perform equivalent oper- I ations may be used. i f

Having now describedour invention, what Patent, is. i i I I r' 1 The combination of a cylinder-or tank,

charging intermittently into one end of said stance to be acted'upon, discharginginter-i mittently into the opposite'end of said tank, a piston in said tank positioned at all times tank of said power-supply and of the liquid or flowing substance to be acted upon, valvular means adapted'to govern the discharge of the power supply into" said tank and adapted to be operated by the said powersupply, secondary valvular means adapted to govern the power-supply to thefirst said valvular means, mechanical means for operadapted to be actuated by thesaidliquid or flowing substance to be acted upon,- mechanical means including said piston for retracting said secondary valvular means and adapted to be actuated by said power-supply,'an exhaust-conduit extending from the said opposite end of said tank upwardly and away fromthe return of matter ejected'from' said opposite end ofsaid tank through said 'exhaustconduit, a check-valve adapted to prevent the return ofmatter to its source after entering said opposite end of said tank, and an exhaust-conduit governed by the first said valvular means, adapted toconveyawa y' the exhaustof the said power-supply.

' 2 The combination ofaipowentank divided into separate compartments by a piston, a conduit fora power-supply for, operat I 'ern theiaction of said;

carrying away from said tank upon for operating said piston in'the opposite direction, valvularmeansadapted to gov- Y ower-sup ply with re-. to'be operated by the spect to said piston an a second valvular means said power-sup ply,

power-supply with relation to the first said valvular means and to be,

'chanical means actuat'ed 'by' the liquid or flowing substance to be actedupon.

3. The combination of a tank divided into said water-power: supply and to govern the i water-power supply to said piston means, a

gov-' secondary valvular meansadapted to V ern the water-power supply to thefirst said valvular-means, a floatadapted to be operated, by" saidf sewerage, means connecting operated by meend of said tank, for a sewerage-supplyto be 7 adaptedto govern the ELC'OIOILOflZllB said.

compartments by piston means, a conduit connecting with one end of said tank for a said float with said secondary valvular means for transmitting power for operating said secondary valvular means, means adapted to retract said secondary valvular means before the completion ofthe movement of said piston means under the impulse of said waterpower, means for conveying away the ex haust water-power from said tank and valvular means, and means for conveying away theexhaust-sewerage from said tank.

4; The combination of a tank, apiston dividing said tank into'separate compartments a conduit adapted to discharge into one of said compartments a flowing power-supply for moving said piston in one direction, means for moving said piston the opposite direction, a conduit adapted to discharge into the other of said compartments afiowing ,or mobile substance or liquid to be actedupon by, said piston, means governing the flow of said power-supply to said tank and governing the flow of the exhaust therefrom, said means being actuated in part by said power-supply and in part by said substance 'orliquid to be acted upon, and a conduit for I the substance or liquid acted upon by said piston.

"In testimony whereof we hereunto our signatures in presence of OWOWllJIlGSSGS.

. ,ERIo A. WILSON. CHARLES RIGIDON.

" H, H. LEMENTZ,"

JAMQST; WArsoN. 

